Home / 97,961.05-146,955.41-31,385.60

Finding the Fourth Proportional to 97,961.05, 146,955.41 and 31,385.60

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Solution

The fourth proportional to 97,961.05, 146,955.41 and 31,385.60 is: 47,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,961.05 : 146,955.41 = 31,385.60 : x
  2. Step 2: Convert to fraction form
    97,961.05/146,955.41 = 31,385.60/x
  3. Step 3: Cross multiply
    97,961.05x = 146,955.41 × 31,385.60
  4. Step 4: Simplify right side
    97,961.05x = 4,612,283,716.10
  5. Step 5: Solve for x
    x = 4,612,283,716.10/97,961.05
  6. Step 6: Final answer
    x = 47,082.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.